K-array Duetto-KD6BT User manual

The Duetto-KD6BT is a set of wireless ultra-mini, high quality
aluminum alloy earbuds with an in-line microphone and
control. Designed by our engineers with over 25 years of
experience in the world of live professional audio.
The earbuds are each equipped with a 6mm performance-
enhanced, carbon-coated full-range transducer to provide
amazing output capable of reproducing the frequency range
from 5 Hz to 23 kHz ensuring the highest quality and fidelity
of audio reproduction.
The Duetto’s Bluetooth capabilities, built-in microphone
and controller allow users the freedom and convenience to
accept calls, manage music playback and adjust the volume
all remotely on the headphone cable rendering the Duetto the
smallest set of ear buds on the market with these exceptional
performance characteristics which remain consistent with the
high standards of K-array products.
The Duetto comes with three types of ear tips in silicon and
memory foam to provide comfort and circumvent slippage
from the ear canal along with a distinct ear hook design
condusive for active use. The internal battery provides six
hours of continuous use at an average volume on a full charge
for extraordinary stamina while on the go. Accessories include
a USB charging cable and a hard carrying case.
Duetto-KD6BT
www.k-array.com
Wireless, high denition earbuds with a 6 mm dynamic driver, microphone and control

COLORS FEATURES
Black High denition Full-range sound
Isolates outside noise Control + Mic
EARPHONE TECHNICAL DATA
Impedance 16Ω ± 15%
Frequency Response 5 Hz - 23 kHz
Sensitivity 105 ± 3 dB @ 1 kHz (1m W)
THD (Total Harmonic Distortion) < 0,1% (1 Khz / 100 dB SPL)
Ear Coupling Ear-canal
Cable Length 0.3 m ± 20 mm
Transducers Dynamic Φ 6 mm. neodymium drivers
MICROPHONE TECHNICAL DATA
Sensitivity -42 dB
Frequency Response 100 Hz - 10 kHz
Polar Pattern Omnidirectional
BATTERY
Type DC 3.7 V lithium polymer rechargeable battery
Life Up to 6 hrs (charging time: approx. 3 hrs for 0-100% charge)
BLUETOOTH
Communication System Version 5
Output Specication Power Class 2
Max Communication Range Line of sight - approx. 10 mt (33’)
Compatible Bluetooth Proles A2DP, AVRCP, HFP, HSP
Support Codec AAC, SBC
ACCESSORIES
Silicone double-ange
bullet earhooks
Silicone double-ange
bullet eartips – small
Silicone double-ange
bullet eartips – medium
Silicone double-ange
bullet eartips – large
USB charging cable
- Volume Up button
- Center button
- Volume Down button
- Microphone
A
A
Using Earbuds with Control and Mic
IMPORTANT: The features listed may vary depending on the media, model or application used (i.e., smartphone, tablet).
APPLE FUNCTIONALITY
ANDROID FUNCTIONALITY
• To play or pause a song > Press the center button once. Press it again to resume playback.
• To go to the next song or audio book chapter > Next 2s + previous 2s
• To answer or end a call > Press the center button once to answer. Press it again to end the call.
• To reject a call > Press and hold the center button for about two seconds, then release it: two beeps will conrm that the
call has been rejected.
• To switch to another incoming call by putting the current one on hold > Press and hold the center button for about two
seconds, then release it: two beeps will conrm that the rst call has been ended.
• To increase the volume > Press the + button.
• To decrese the volume > Premi the - button.
• Pairing Mode o State > Hold center button 5-6 seconds.
• To play or pause a song > Press the center button once. Press it again to resume playback.
• To go to the next song or audio book chapter > Next 2s + previous 2s.
• To answer or end a call > Press the center button once to answer. Press it again to end the call.
• To increase the volume > Press the + button.
• To decrease the Volume > Premi the - button.
• Pairing Mode o State > Hold center button 5-6 seconds.
B
B
C
C
D
D
This device complies with Part 15 of the FCC Rules. Operation is subject to the
following two conditions:
(1) this device may not cause harmful interference, and
(2) this device must accept any interference received, including interference that may
cause undesired operation.